# Worksheet: Exterior Angle Inequality

Q1:

What is the sum of the sizes of the exterior angles of a triangle?

• A
• B
• C
• D

Q2:

Is ?

• A
• B
• C

Q3:

The figure shows the exterior angles of a given triangle. Find the sum of the exterior angles.

Q4:

What is the measure of an exterior angle of an equilateral triangle?

Q5:

Find .

• A
• B
• C
• D

Q6:

The figure shows some angles identified on triangle .

Identify which angle is an exterior angle.

• A
• B
• C

Identify which angle is an interior angle.

• A
• B
• C

Q7:

Determine whether the following sentence is true or false: It is possible to draw a triangle on a plane with two obtuse angles.

• A false
• B true

Q8:

In a triangle , if , what type of angle is the exterior angle at vertex ?

• A right
• B acute
• C reflex
• D obtuse

Q9:

Which of the following inequalities is correct?

• A
• B
• C
• D
• E

Q10:

Is the size of two right angles less than, equal to or greater than the sum of the interior angles of a triangle?

• Agreater than
• Bless than
• Cequal to